Home / 17,431.65-26,147.48-7,562.61

Finding the Fourth Proportional to 17,431.65, 26,147.48 and 7,562.61

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Solution

The fourth proportional to 17,431.65, 26,147.48 and 7,562.61 is: 11,343.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,431.65 : 26,147.48 = 7,562.61 : x
  2. Step 2: Convert to fraction form
    17,431.65/26,147.48 = 7,562.61/x
  3. Step 3: Cross multiply
    17,431.65x = 26,147.48 × 7,562.61
  4. Step 4: Simplify right side
    17,431.65x = 197,743,155.91
  5. Step 5: Solve for x
    x = 197,743,155.91/17,431.65
  6. Step 6: Final answer
    x = 11,343.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.